(单词翻译:单击)
听力文本
Scientists say they discovered the world's oldest fossils,dating back 3.77 billion years.
科学家称他们发现了世界上最古老的化石，距今37亿7000万年。
The research team found the fossilized microorganisms in quartz layers of some of the world's oldest rock. They come from the Archean Eon, when Earth was bombarded with asteroids.
该研究团队在世界上最古老的岩石石英层发现微生物化石。他们来自于太古宙，当时地球被小行星轰炸。
The scientists say the finding supports the idea that life emerged from hot seafloor vents shortly after Earth formed.
科学家表示这一发现支持地球形成后不久，在热的海底火山口出现生命的观点。
This discovery comes just a few months after another team of scientists announced it had found the world's oldest fossils in Greenland. But those fossils date back only 3.7 billion years.
就在这一发现的前几个月，另一组科学家宣布在格陵兰岛发现了世界上最古老的化石。但这些化石的历史只有37亿年。
Both research teams agree these discoveries could help in the search for life on other planets. If life existed on Earth in one of its most radical states, it might be able to survive the extreme conditions of other planets in our universe.
两个研究小组都认为这些发现有助于寻找其它星球上的生命。如果地球在极端条件下有生命存在，那么宇宙其它星球的极端条件下也可能存在生命。
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词汇解析
1、emerge
出现;露出
Richard was waiting outside the door as she emerged.
她出现的时候，理查德正在门外等着。
The postman emerged from his van soaked to the skin.
邮递员从他的厢式货车中出来，浑身湿透了。
（从困境或不好的经历中）摆脱出来，熬出来
There is growing evidence that the economy is at last emerging from recession.
有越来越多的证据表明经济终于开始摆脱萧条。
their plans to emerge from bankruptcy by February of next year.
他们计划于明年2月之前摆脱破产困境
（事实或结果）显露，显现，暴露
the growing corruption that has emerged in the past few years.
过去几年暴露出来的越来越多的腐败现象
It soon emerged that neither the July nor August mortgage repayment had been collected.
很快就发现，原来7月和8月的抵押还款都没有偿还。
2、announce
宣布;宣告;公布
He will announce tonight that he is resigning from office.
他将于今晚宣布辞职。
She was planning to announce her engagement to Peter.
她正计划宣布她和彼得订婚一事。
大声宣告，郑重地说（尤指令人不快之事）
Peter announced that he had no intention of wasting his time at any university.
彼得宣称他无意在任何一所大学浪费时间。
'I'm having a bath and going to bed,' she announced, and left the room.
“我要洗个澡然后上床睡觉，”她大声说完便离开了房间。
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